VDB-106715 · CVE-2017-13067 · Qualys 38742

QNAP QTS 4.2/4.3 Media Library access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in QNAP QTS 4.2/4.3. It has been rated as critical. This issue affects some unknown processing of the component Media Library. The manipulation leads to access control. This vulnerability is referenced as CVE-2017-13067. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in QNAP QTS 4.2/4.3 (Network Attached Storage Software). This issue affects an unknown function of the component Media Library. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

QNAP has patched a remote code execution vulnerability affecting the QTS Media Library in all versions prior to QTS 4.2.6 build 20170905 and QTS 4.3.3.0299 build 20170901. This particular vulnerability allows a remote attacker to execute commands on a QNAP NAS using a transcoding service on port 9251. A remote user does not require any privileges to successfully execute an attack.

The bug was discovered 09/08/2017. The weakness was published 09/14/2017 (Website). It is possible to read the advisory at qnap.com. The identification of this vulnerability is CVE-2017-13067 since 08/22/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38742 (QNAP NAS Media Library Command Execution Vulnerability).

Upgrading to version 4.2.6 Build 20170905 or 4.3.3.0299 Build 20170901 eliminates this vulnerability.Addressing this vulnerability is possible by firewalling Port 9251. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 800541
OpenVAS Name: QNAP QTS Media Library Command injection Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: qnap_transcode_server.rb
MetaSploit Name: QNAP Transcode Server Command Execution
MetaSploit File: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: QTS 4.2.6 Build 20170905/4.3.3.0299 Build 20170901
Firewalling: 🔍

Timelineinfo

08/22/2017 🔍
09/08/2017 +17 days 🔍
09/14/2017 +6 days 🔍
09/14/2017 +0 days 🔍
09/15/2017 +1 days 🔍
11/16/2019 +792 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: qnap.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-13067 (🔍)
GCVE (CVE): GCVE-0-2017-13067
GCVE (VulDB): GCVE-100-106715

Entryinfo

Created: 09/15/2017 09:13
Updated: 11/16/2019 20:04
Changes: 09/15/2017 09:13 (66), 11/16/2019 20:04 (5)
Complete: 🔍
Cache ID: 216::103

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